ASME B 18.2.2 - 2022
Display drawing:
| Screw Thread | 5/16 | ||
| D | 0.3125 | ||
| PP | UNC | 18 | |
| PP | UNF | 24 | |
| PP | 8UN | None | |
| S | Nominal | 1/2 | |
| S | Min | 0.489 | |
| S | Max | 0.500 | |
| E | Min | 0.557 | |
| E | Max | 0.577 | |
| M | Nominal | 17/64 | |
| M | Min | 0.258 | |
| M | Max | 0.273 | |
| W | Min | 0.16 | |
| W | Max | 0.18 | |
| N | Min | 0.09 | |
| N | Max | 0.12 | |